#main {
    height: auto;
    position: relative;
    border: 1px solid lightgray;
}
#top_sign {
    height: 60px;
}

.menu_list_con {
    height: 40px;
}
.kb_h_con {
    height: 60px;
    position: absolute;
    top: 0;
}
.kb_menu_name {
    position: relative;
    top: 10px;
    left: 70px;
    float: left;
    font-size: 16px;
}
.kb_inner_con {
    width: 260px;
    height: 50px;
    position: relative;
    top: 0;
}
.kb_list_icon {
    width: 20px;
    height: 20px;
    position: relative;
    top: 10px;
    left: 0px;
}

#main_header {
    min-width: 600px;
    width: 100%;
    height: 60px;
    position: fixed;
    top: 0;
    left: 0;
    background-color: white;
    z-index: 1;
}
#left_menu {
    width: 60px;
    left: 0;
}
#left_menu > img {
    height: 30px;
    width: 30px;
    position: relative;
    top: 15px;
    left: 15px;
}
#menu_list{
    width: 260px;
    height: 90vh;
    position: absolute;
    top: 60px;
    left: -260px;
    background-color: white;
    border-right: 2px solid lightgray;
    transition: left 1s;
    overflow:auto;  
}
#menu_list > ul {
    width: 220px;
    padding-left: 0;
    padding-bottom: 20px;
    border-bottom: 2px solid lightgray;
}
#menu_list li {
    border-radius: 0 20px 20px 0;
    background-color: white;
    transition: .6s;
}
#menu_list li:hover {
    background-color: rgb(127, 220, 243);
    transition: 1s;
}
#logo_con {
    width: 300px;
    left: 60px;
}
#kb_logo {
    width: auto;
    height: 40px;
    position: absolute;
    top: 10px;
    left: 15px;
}
#kb_center_nav {
    width: auto;
    right: 80px;
}
#kb_top_menu > ul{
    width: auto;
    padding-top: 10px;
}
#kb_top_menu > ul >li {
    width: 60px;
    float: left;
}
#kb_top_search {
    width: 20px;
    height: 20px;
}
#kb_search_box {
    width: 100vw;
    height: 60px;
    position: fixed;
    top: -100px;
    left: 0px;
    padding-left: 10px;
    background-color: white;
}
#kb_search_box > img{
    width: 30px;
    height: 30px;
}
#kb_search_box > input{
    width: 80%;
    height: 40px;
    margin-top: -10px;
    border-radius: 10px;
    border: none;
    border-bottom: 2px solid lightgray;
    padding-left: 9px;
    font-size: 18px;
    letter-spacing: 2px;
    text-emphasis: none;
    outline: none;
}
#h_user {
    width: 60px;
    right: 0;
}
#h_user_no {
    width: 50px;
    height: 25px;
    position: absolute;
    top: 20px;
    left: 0px;
    border-radius: 10px;
    background-color: cornflowerblue;
    font-size: 14px;
    letter-spacing: 4px;
    text-align: center;
    padding-top: 3px;
}
#h_user_yes {
    width: 36px;
    height: 36px;
    position: absolute;
    top: 10px;
    left: 9px;
}
#h_user_yes > img {
    width: 36px;
}

#kb_user_info {
    width: 350px;
    height: 400px;
    position: absolute;
    top: -420px;
    right: 10px;
    background: white;
    border-radius: 8px;
    box-shadow: 2px 2px 2px gray;
    transition: 1s;
}
#kb_user_info:hover {
    box-shadow: 2px 8px 8px gray;
}
#kb_user_info img {
    width: 16px;
    height: 16px;
}
.kb_user_infoCon {
    width: 330px;
    min-height: 60px;
    position: relative;
    margin: 0 auto;
    border-bottom: 1px solid lightgray;
}
#kb_infoCon_main {
    margin-top: 10px;
    text-align: center;
    font-size: 16px;
    color: gray;
}
#kb_infoCon_main > div > img{
    width: 90px;
    height: 90px;
    left: 120px;
}
#kb_infoCon_main button {
    width: 120px;
    height: 30px;
    margin-bottom: 10px;
    border-radius: 20px;
    border: 1px solid lightgray;
    background-color: white;
    letter-spacing: 2px;
    outline-style: none;
    transition: 1s;
}
#kb_infoCon_main button:hover {
    background-color: whitesmoke;
}



footer {
    min-width: 640px;
    width: 90vw;
    margin-top: 10px;
    overflow: auto;
    color: gray;
}
footer ul {
    padding: 0;
    margin: 5px 0 5px 20px;
    font-size: 14px;
}
footer ul li {
    float: left;
    padding-right: 10px;
}
footer p {
    text-align: right;
}
footer > p {
    text-align: center;
}
footer a:hover {
    color: green;
}
footer span {
    text-align: center;
}